Stone Island Weather Forecast

    • 47
    • 70

    Partly Sunny

    • 43
    • 57

    Mostly Sunny

    • 45
    • 56

    Partly Sunny

    • 43
    • 56

    Mostly Cloudy

    • 43
    • 53

    Chance Rain Showers

    • 44
    • 53

    Chance Rain Showers

Today 20 May Coastal Washington

Partly sunny. Isolated Showers in the afternoon. Highs in the mid 80s. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 20 percent.

Tonight 20 May Coastal Washington

Partly cloudy in the Evening, then becoming mostly clear. Lows in the upper 40s. Northwest Winds 5 to 10 Mph with Gusts up to 20 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Stone Island Temperature Statistics

May Temperature

Bar Harbor, Hancock County-Bar Harbor Airport (49.7 miles)

  • Lowest 2 May, 2026

    30.9 °F

  • Average May

    50.8 °F

  • Highest 17 May, 2026

    79 °F

Climate (2021–Present)

Bar Harbor, Hancock County-Bar Harbor Airport (49.7 miles)

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  • Average Low 2021–2026

    38.2 °F

  • Average 2021–2026

    46.4 °F

  • Average High 2021–2026

    54.5 °F
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